Aliza Ayaz is an international climate activist. She jointly won the United Kingdom Youth Outstanding Commitment to Sustainability Award at University College London (UCL), and has spoken at United Nations, London International Model United Nations, and UK Parliamentary events. She is a member of the National Youth Council Pakistan. She is known for setting up the Climate Action Society at UCL which helped inspire UK-wide youth action against climate change, leading to the climate emergency declaration at the UK Parliament. In October 2020 she was also appointed as the United Nations youth ambassador for Sustainable Development Goal 13 (SDG13), the second Pakistani student after Malala Yousafzai to have received this honour.